Alert archive / Mississippi / Flash Flood Warnings in 2001
Flash Flood Warning 84, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Sep 3, 2001, 5:27 PM CDT for Covington County, Jefferson Davis County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Sep 3, 2001, 5:27 PM CDT (22:27 UTC)
- Expired
- Sep 3, 2001, 7:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 10.5 hours before the alert went out and 88 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 782 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KJAN 032232 FFWJAN MSC031-065-040030- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON MS 527 PM CDT MON SEP 3 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI * UNTIL 730 PM CDT * AT 527 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER CENTRAL JEFFERSON DAVIS AND COVINGTON COUNTIES. THESE STORMS ARE IN A LINE FROM NEAR PRENTISS TO 5 MILES WEST OF COLLINS AND SPREADING VERY SLOWLY EASTWARD. RADAR ESTIMATED RAINFALL AMOUNTS OF UP TO 1.5 INCHES HAVE FALLEN IN THIS LINE OF STORMS...AND ADDITIONAL AMOUNTS OF UP TO 3 INCHES ARE POSSIBLE IN THIS LINE. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. LIFE THREATENING FLASH FLOODING IS IMMINENT OR ALREADY OCCURRING IN THESE AREAS. ABANDON LOW LYING OR POORLY DRAINED AREAS FOR HIGHER GROUND LAT...LON 3151 8994 3147 8941 3172 8942 3174 8994
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 8:15 PM CDT | Flash Flood Warning | JAN | Madison | 3 hr |
| Sep 3, 4:30 AM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis | 3 hr |
| Sep 3, 5:12 AM CDT | Flash Flood Warning | JAN | Clarke, Jasper | 4 hr |
| Sep 3, 5:30 AM CDT | Flash Flood Warning | JAN | Madison | 3 hr |
| Sep 3, 6:07 AM CDT | Flash Flood Warning | JAN | Adams, Franklin | 3 hr |
| Sep 3, 7:25 AM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis, Lawrence | 3 hr |
| Sep 3, 8:50 AM CDT | Flash Flood Warning | JAN | Simpson | 115 min |
| Sep 3, 9:00 AM CDT | Flash Flood Warning | JAN | Lincoln | 2 hr |
| Sep 3, 9:27 AM CDT | Flash Flood Warning | JAN | Rankin | 2 hr |
| Sep 3, 10:25 AM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis, Lawrence | 2 hr |
| Sep 3, 10:35 AM CDT | Flash Flood Warning | JAN | Hinds | 115 min |
| Sep 3, 10:39 AM CDT | Flash Flood Warning | JAN | Jasper, Simpson, Smith | 2 hr |
| Sep 3, 10:50 AM CDT | Flash Flood Warning | JAN | Lincoln | 115 min |
| Sep 3, 1:14 PM CDT | Flash Flood Warning | JAN | Hinds, Rankin | 2 hr |
| Sep 3, 1:31 PM CDT | Flash Flood Warning | JAN | Claiborne | 119 min |
Nearby
Flash Flood Warnings in Mississippi, 2001Every flash flood warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.